矢量场的旋度的散度恒为零,它的物理意义是什么,如何理解?还有标量场梯度的旋度恒为零。 知乎 Template




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tomski矢量场的旋度的散度恒为零,它的物理意义是什么,如何理解?还有标量场梯度的旋度恒为零。 知乎 coloring